𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Density, Overcompleteness, and Localization of Frames. I. Theory

✍ Scribed by Radu Balan; Peter G. Casazza; Christopher Heil; Zeph Landau


Book ID
105770455
Publisher
SP Birkhäuser Verlag Boston
Year
2006
Tongue
English
Weight
403 KB
Volume
12
Category
Article
ISSN
1069-5869

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Density and stability of wavelet frames
✍ Wenchang Sun; Xingwei Zhou 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 253 KB

Density conditions including necessary ones and sufficient ones for irregular wavelet systems to be frames are studied in this paper. We give a definition of affine Beurling density of time-scale parameters and show that for irregular wavelet systems to be Bessel sequences, the time-scale parameters